mesa: remove old tnl device driver header files
The last users of these were removed when the classic drivers were dropped. Reviewed-by: Dave Airlie <airlied@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14070>
This commit is contained in:
Timothy Arceri
parent
e914a6710f
commit
80719f08a7
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@ -41,8 +41,6 @@
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- src/mesa/state_tracker/**/*
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- src/mesa/swrast/**/*
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- src/mesa/swrast_setup/**/*
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- src/mesa/tnl/**/*
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- src/mesa/tnl_dd/**/*
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- src/mesa/vbo/**/*
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- src/mesa/x86/**/*
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- src/mesa/x86-64/**/*
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@ -88,10 +88,6 @@ each directory.
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- **swrast_setup** - Software primitive setup. Does things like
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polygon culling, glPolygonMode, polygon offset, etc. (not used
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with Gallium)
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- **tnl** - Software vertex Transformation 'n Lighting. (not used
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with Gallium)
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- **tnl_dd** - TNL code for device drivers. (not used with
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Gallium)
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- **vbo** - Vertex Buffer Object code. All drawing with
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glBegin/glEnd, glDrawArrays, display lists, etc. goes through
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this module. The results is a well-defined set of vertex arrays
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@ -1,488 +0,0 @@
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/*
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* Mesa 3-D graphics library
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*
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* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Keith Whitwell <keithw@vmware.com>
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*/
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#include <stdbool.h>
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/**
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* \file t_dd_dmatmp.h
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* Template for render stages which build and emit vertices directly
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* to fixed-size dma buffers. Useful for rendering strips and other
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* native primitives where clipping and per-vertex tweaks such as
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* those in t_dd_tritmp.h are not required.
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*
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* Produces code for both inline triangles and indexed triangles.
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* Where various primitive types are unaccelerated by hardware, the
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* code attempts to fallback to other primitive types (quadstrips to
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* tristrips, lineloops to linestrips), or to indexed vertices.
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*/
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#if !HAVE_TRIANGLES || !HAVE_LINES || !HAVE_LINE_STRIPS || !HAVE_TRI_STRIPS || !HAVE_TRI_FANS
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#error "must have lines, line strips, triangles, triangle fans, and triangle strips to use render template"
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#endif
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#if HAVE_QUAD_STRIPS || HAVE_QUADS || HAVE_ELTS
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#error "ELTs, quads, and quad strips not supported by render template"
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#endif
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/**********************************************************************/
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/* Render whole begin/end objects */
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/**********************************************************************/
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static inline void *TAG(emit_verts)(struct gl_context *ctx, GLuint start,
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GLuint count, void *buf)
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{
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return EMIT_VERTS(ctx, start, count, buf);
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}
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/***********************************************************************
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* Render non-indexed primitives.
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***********************************************************************/
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static void TAG(render_points_verts)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
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if (HAVE_POINTS) {
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LOCAL_VARS;
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const unsigned dmasz = GET_SUBSEQUENT_VB_MAX_VERTS();
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unsigned currentsz;
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GLuint j, nr;
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INIT(GL_POINTS);
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currentsz = GET_CURRENT_VB_MAX_VERTS();
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if (currentsz < 8)
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currentsz = dmasz;
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for (j = 0; j < count; j += nr) {
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nr = MIN2(currentsz, count - j);
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TAG(emit_verts)(ctx, start + j, nr, ALLOC_VERTS(nr));
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currentsz = dmasz;
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}
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} else {
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unreachable("Cannot draw primitive; validate_render should have "
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"prevented this");
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}
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}
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static void TAG(render_lines_verts)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
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LOCAL_VARS;
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const unsigned dmasz = GET_SUBSEQUENT_VB_MAX_VERTS() & ~1;
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unsigned currentsz;
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GLuint j, nr;
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INIT(GL_LINES);
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/* Emit whole number of lines in total and in each buffer:
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*/
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count -= count & 1;
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currentsz = GET_CURRENT_VB_MAX_VERTS();
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currentsz -= currentsz & 1;
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if (currentsz < 8)
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currentsz = dmasz;
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for (j = 0; j < count; j += nr) {
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nr = MIN2(currentsz, count - j);
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TAG(emit_verts)(ctx, start + j, nr, ALLOC_VERTS(nr));
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currentsz = dmasz;
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}
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}
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static void TAG(render_line_strip_verts)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
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LOCAL_VARS;
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const unsigned dmasz = GET_SUBSEQUENT_VB_MAX_VERTS();
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unsigned currentsz;
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GLuint j, nr;
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INIT(GL_LINE_STRIP);
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currentsz = GET_CURRENT_VB_MAX_VERTS();
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if (currentsz < 8)
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currentsz = dmasz;
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for (j = 0; j + 1 < count; j += nr - 1) {
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nr = MIN2(currentsz, count - j);
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TAG(emit_verts)(ctx, start + j, nr, ALLOC_VERTS(nr));
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currentsz = dmasz;
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}
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FLUSH();
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}
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static void TAG(render_line_loop_verts)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
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LOCAL_VARS;
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const unsigned dmasz = GET_SUBSEQUENT_VB_MAX_VERTS() - 1;
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unsigned currentsz;
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GLuint j, nr;
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INIT(GL_LINE_STRIP);
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j = (flags & PRIM_BEGIN) ? 0 : 1;
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/* Ensure last vertex won't wrap buffers:
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*/
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currentsz = GET_CURRENT_VB_MAX_VERTS();
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currentsz--;
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if (currentsz < 8)
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currentsz = dmasz;
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if (j + 1 < count) {
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for (/* empty */; j + 1 < count; j += nr - 1) {
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nr = MIN2(currentsz, count - j);
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if (j + nr >= count &&
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count > 1 &&
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(flags & PRIM_END)) {
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void *tmp;
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tmp = ALLOC_VERTS(nr+1);
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tmp = TAG(emit_verts)(ctx, start + j, nr, tmp);
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tmp = TAG(emit_verts)( ctx, start, 1, tmp );
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(void) tmp;
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} else {
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TAG(emit_verts)(ctx, start + j, nr, ALLOC_VERTS(nr));
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currentsz = dmasz;
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}
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}
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} else if (count > 1 && (flags & PRIM_END)) {
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void *tmp;
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tmp = ALLOC_VERTS(2);
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tmp = TAG(emit_verts)( ctx, start+1, 1, tmp );
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tmp = TAG(emit_verts)( ctx, start, 1, tmp );
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(void) tmp;
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}
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FLUSH();
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}
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static void TAG(render_triangles_verts)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
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LOCAL_VARS;
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const unsigned dmasz = (GET_SUBSEQUENT_VB_MAX_VERTS() / 3) * 3;
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unsigned currentsz;
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GLuint j, nr;
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INIT(GL_TRIANGLES);
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currentsz = (GET_CURRENT_VB_MAX_VERTS() / 3) * 3;
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/* Emit whole number of tris in total. dmasz is already a multiple
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* of 3.
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*/
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count -= count % 3;
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if (currentsz < 8)
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currentsz = dmasz;
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for (j = 0; j < count; j += nr) {
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nr = MIN2(currentsz, count - j);
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TAG(emit_verts)(ctx, start + j, nr, ALLOC_VERTS(nr));
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currentsz = dmasz;
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}
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}
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static void TAG(render_tri_strip_verts)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
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LOCAL_VARS;
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GLuint j, nr;
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const unsigned dmasz = GET_SUBSEQUENT_VB_MAX_VERTS() & ~1;
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unsigned currentsz;
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INIT(GL_TRIANGLE_STRIP);
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currentsz = GET_CURRENT_VB_MAX_VERTS();
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if (currentsz < 8)
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currentsz = dmasz;
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/* From here on emit even numbers of tris when wrapping over buffers:
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*/
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currentsz -= (currentsz & 1);
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for (j = 0; j + 2 < count; j += nr - 2) {
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nr = MIN2(currentsz, count - j);
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TAG(emit_verts)(ctx, start + j, nr, ALLOC_VERTS(nr));
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currentsz = dmasz;
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}
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FLUSH();
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}
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static void TAG(render_tri_fan_verts)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
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LOCAL_VARS;
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GLuint j, nr;
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const unsigned dmasz = GET_SUBSEQUENT_VB_MAX_VERTS();
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unsigned currentsz;
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INIT(GL_TRIANGLE_FAN);
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currentsz = GET_CURRENT_VB_MAX_VERTS();
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if (currentsz < 8)
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currentsz = dmasz;
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for (j = 1; j + 1 < count; j += nr - 2) {
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void *tmp;
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nr = MIN2(currentsz, count - j + 1);
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tmp = ALLOC_VERTS(nr);
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tmp = TAG(emit_verts)(ctx, start, 1, tmp);
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tmp = TAG(emit_verts)(ctx, start + j, nr - 1, tmp);
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(void) tmp;
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currentsz = dmasz;
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}
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FLUSH();
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}
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static void TAG(render_poly_verts)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
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if (HAVE_POLYGONS) {
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LOCAL_VARS;
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GLuint j, nr;
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const unsigned dmasz = GET_SUBSEQUENT_VB_MAX_VERTS();
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unsigned currentsz;
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INIT(GL_POLYGON);
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currentsz = GET_CURRENT_VB_MAX_VERTS();
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if (currentsz < 8) {
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currentsz = dmasz;
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}
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for (j = 1; j + 1 < count; j += nr - 2) {
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void *tmp;
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nr = MIN2(currentsz, count - j + 1);
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tmp = ALLOC_VERTS(nr);
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tmp = TAG(emit_verts)(ctx, start, 1, tmp);
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tmp = TAG(emit_verts)(ctx, start + j, nr - 1, tmp);
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(void) tmp;
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currentsz = dmasz;
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}
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FLUSH();
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} else if (ctx->Light.ShadeModel == GL_SMOOTH ||
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ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION) {
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TAG(render_tri_fan_verts)( ctx, start, count, flags );
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} else {
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unreachable("Cannot draw primitive; validate_render should have "
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"prevented this");
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}
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}
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static void TAG(render_quad_strip_verts)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
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GLuint j, nr;
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if (ctx->Light.ShadeModel == GL_SMOOTH) {
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LOCAL_VARS;
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const unsigned dmasz = GET_SUBSEQUENT_VB_MAX_VERTS() & ~1;
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unsigned currentsz;
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/* Emit smooth-shaded quadstrips as tristrips:
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*/
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FLUSH();
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INIT(GL_TRIANGLE_STRIP);
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/* Emit whole number of quads in total, and in each buffer.
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*/
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currentsz = GET_CURRENT_VB_MAX_VERTS();
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currentsz -= currentsz & 1;
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count -= count & 1;
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if (currentsz < 8)
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currentsz = dmasz;
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for (j = 0; j + 3 < count; j += nr - 2) {
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nr = MIN2(currentsz, count - j);
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TAG(emit_verts)(ctx, start + j, nr, ALLOC_VERTS(nr));
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currentsz = dmasz;
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}
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FLUSH();
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} else {
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unreachable("Cannot draw primitive; validate_render should have "
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"prevented this");
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}
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}
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static void TAG(render_quads_verts)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
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if (ctx->Light.ShadeModel == GL_SMOOTH ||
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ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION) {
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LOCAL_VARS;
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GLuint j;
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/* Emit whole number of quads in total. */
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count -= count & 3;
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/* Hardware doesn't have a quad primitive type -- try to simulate it using
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* triangle primitive. This is a win for gears, but is it useful in the
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* broader world?
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*/
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INIT(GL_TRIANGLES);
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for (j = 0; j + 3 < count; j += 4) {
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void *tmp = ALLOC_VERTS(6);
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/* Send v0, v1, v3
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*/
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tmp = EMIT_VERTS(ctx, start + j, 2, tmp);
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tmp = EMIT_VERTS(ctx, start + j + 3, 1, tmp);
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/* Send v1, v2, v3
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*/
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tmp = EMIT_VERTS(ctx, start + j + 1, 3, tmp);
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(void) tmp;
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}
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} else {
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unreachable("Cannot draw primitive");
|
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}
|
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}
|
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static void TAG(render_noop)(struct gl_context *ctx,
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GLuint start,
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GLuint count,
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GLuint flags)
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{
|
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(void) ctx;
|
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(void) start;
|
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(void) count;
|
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(void) flags;
|
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}
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static const tnl_render_func TAG(render_tab_verts)[GL_POLYGON+2] =
|
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{
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TAG(render_points_verts),
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TAG(render_lines_verts),
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TAG(render_line_loop_verts),
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TAG(render_line_strip_verts),
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TAG(render_triangles_verts),
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TAG(render_tri_strip_verts),
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TAG(render_tri_fan_verts),
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TAG(render_quads_verts),
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TAG(render_quad_strip_verts),
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TAG(render_poly_verts),
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TAG(render_noop),
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};
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/* Pre-check the primitives in the VB to prevent the need for
|
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* fallbacks later on.
|
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*/
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||||
static bool TAG(validate_render)(struct gl_context *ctx,
|
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struct vertex_buffer *VB)
|
||||
{
|
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GLint i;
|
||||
|
||||
if (VB->ClipOrMask & ~CLIP_CULL_BIT)
|
||||
return false;
|
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|
||||
if (VB->Elts)
|
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return false;
|
||||
|
||||
for (i = 0 ; i < VB->PrimitiveCount ; i++) {
|
||||
GLuint prim = VB->Primitive[i].mode;
|
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GLuint count = VB->Primitive[i].count;
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bool ok = false;
|
||||
|
||||
if (!count)
|
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continue;
|
||||
|
||||
switch (prim & PRIM_MODE_MASK) {
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case GL_POINTS:
|
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ok = HAVE_POINTS;
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break;
|
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case GL_LINES:
|
||||
case GL_LINE_STRIP:
|
||||
case GL_LINE_LOOP:
|
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ok = !ctx->Line.StippleFlag;
|
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break;
|
||||
case GL_TRIANGLES:
|
||||
case GL_TRIANGLE_STRIP:
|
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case GL_TRIANGLE_FAN:
|
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ok = true;
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||||
break;
|
||||
case GL_POLYGON:
|
||||
ok = (HAVE_POLYGONS) || ctx->Light.ShadeModel == GL_SMOOTH ||
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ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION;
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break;
|
||||
case GL_QUAD_STRIP:
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||||
ok = VB->Elts || ctx->Light.ShadeModel == GL_SMOOTH;
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||||
break;
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case GL_QUADS:
|
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ok = ctx->Light.ShadeModel == GL_SMOOTH ||
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ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION;
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break;
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||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (!ok) {
|
||||
/* fprintf(stderr, "not ok %s\n", _mesa_enum_to_string(prim & PRIM_MODE_MASK)); */
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
|
@ -1,926 +0,0 @@
|
|||
/*
|
||||
* Mesa 3-D graphics library
|
||||
*
|
||||
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation
|
||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
||||
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
||||
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
||||
* OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
* Authors:
|
||||
* Keith Whitwell <keithw@vmware.com>
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* \file t_dd_dmatmp2.h
|
||||
* Template for render stages which build and emit vertices directly
|
||||
* to fixed-size dma buffers. Useful for rendering strips and other
|
||||
* native primitives where clipping and per-vertex tweaks such as
|
||||
* those in t_dd_tritmp.h are not required.
|
||||
*
|
||||
*/
|
||||
|
||||
#if !HAVE_TRIANGLES || !HAVE_POINTS || !HAVE_LINES
|
||||
#error "must have points, lines & triangles to use render template"
|
||||
#endif
|
||||
|
||||
#if !HAVE_TRI_STRIPS || !HAVE_TRI_FANS
|
||||
#error "must have tri strip and fans to use render template"
|
||||
#endif
|
||||
|
||||
#if !HAVE_LINE_STRIPS
|
||||
#error "must have line strips to use render template"
|
||||
#endif
|
||||
|
||||
#if !HAVE_POLYGONS
|
||||
#error "must have polygons to use render template"
|
||||
#endif
|
||||
|
||||
#if !HAVE_ELTS
|
||||
#error "must have elts to use render template"
|
||||
#endif
|
||||
|
||||
|
||||
#ifndef EMIT_TWO_ELTS
|
||||
#define EMIT_TWO_ELTS( dest, offset, elt0, elt1 ) \
|
||||
do { \
|
||||
(dest)[offset] = (elt0); \
|
||||
(dest)[offset+1] = (elt1); \
|
||||
} while (0)
|
||||
#endif
|
||||
|
||||
|
||||
/**********************************************************************/
|
||||
/* Render whole begin/end objects */
|
||||
/**********************************************************************/
|
||||
|
||||
|
||||
static ELT_TYPE *TAG(emit_elts)( struct gl_context *ctx,
|
||||
ELT_TYPE *dest,
|
||||
GLuint *elts, GLuint nr )
|
||||
{
|
||||
GLint i;
|
||||
LOCAL_VARS;
|
||||
|
||||
for ( i = 0 ; i+1 < nr ; i+=2, elts += 2 ) {
|
||||
EMIT_TWO_ELTS( dest, 0, elts[0], elts[1] );
|
||||
dest += 2;
|
||||
}
|
||||
if (i < nr) {
|
||||
EMIT_ELT( dest, 0, elts[0] );
|
||||
dest += 1;
|
||||
}
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
static ELT_TYPE *TAG(emit_consecutive_elts)( struct gl_context *ctx,
|
||||
ELT_TYPE *dest,
|
||||
GLuint start, GLuint nr )
|
||||
{
|
||||
GLint i;
|
||||
LOCAL_VARS;
|
||||
|
||||
for ( i = 0 ; i+1 < nr ; i+=2, start += 2 ) {
|
||||
EMIT_TWO_ELTS( dest, 0, start, start+1 );
|
||||
dest += 2;
|
||||
}
|
||||
if (i < nr) {
|
||||
EMIT_ELT( dest, 0, start );
|
||||
dest += 1;
|
||||
}
|
||||
|
||||
return dest;
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* Render non-indexed primitives.
|
||||
***********************************************************************/
|
||||
|
||||
|
||||
|
||||
static void TAG(render_points_verts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
if (start < count) {
|
||||
LOCAL_VARS;
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
EMIT_PRIM( ctx, GL_POINTS, HW_POINTS, start, count );
|
||||
}
|
||||
}
|
||||
|
||||
static void TAG(render_lines_verts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
count -= (count-start) & 1;
|
||||
|
||||
if (start+1 >= count)
|
||||
return;
|
||||
|
||||
if ((flags & PRIM_BEGIN) && ctx->Line.StippleFlag) {
|
||||
RESET_STIPPLE();
|
||||
AUTO_STIPPLE( GL_TRUE );
|
||||
}
|
||||
|
||||
EMIT_PRIM( ctx, GL_LINES, HW_LINES, start, count );
|
||||
|
||||
if ((flags & PRIM_END) && ctx->Line.StippleFlag)
|
||||
AUTO_STIPPLE( GL_FALSE );
|
||||
}
|
||||
|
||||
|
||||
static void TAG(render_line_strip_verts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
|
||||
if (start+1 >= count)
|
||||
return;
|
||||
|
||||
if ((flags & PRIM_BEGIN) && ctx->Line.StippleFlag)
|
||||
RESET_STIPPLE();
|
||||
|
||||
|
||||
if (PREFER_DISCRETE_ELT_PRIM( count-start, HW_LINES ))
|
||||
{
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
GLuint j, nr;
|
||||
|
||||
ELT_INIT( GL_LINES, HW_LINES );
|
||||
|
||||
/* Emit whole number of lines in each full buffer.
|
||||
*/
|
||||
dmasz = dmasz/2;
|
||||
|
||||
|
||||
for (j = start; j + 1 < count; j += nr - 1 ) {
|
||||
ELT_TYPE *dest;
|
||||
GLint i;
|
||||
|
||||
nr = MIN2( dmasz, count - j );
|
||||
dest = ALLOC_ELTS( (nr-1)*2 );
|
||||
|
||||
for ( i = j ; i+1 < j+nr ; i+=1 ) {
|
||||
EMIT_TWO_ELTS( dest, 0, (i+0), (i+1) );
|
||||
dest += 2;
|
||||
}
|
||||
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
else
|
||||
EMIT_PRIM( ctx, GL_LINE_STRIP, HW_LINE_STRIP, start, count );
|
||||
}
|
||||
|
||||
|
||||
static void TAG(render_line_loop_verts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
GLuint j, nr;
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
|
||||
if (flags & PRIM_BEGIN) {
|
||||
j = start;
|
||||
if (ctx->Line.StippleFlag)
|
||||
RESET_STIPPLE( );
|
||||
}
|
||||
else
|
||||
j = start + 1;
|
||||
|
||||
if (flags & PRIM_END) {
|
||||
|
||||
if (start+1 >= count)
|
||||
return;
|
||||
|
||||
if (PREFER_DISCRETE_ELT_PRIM( count-start, HW_LINES )) {
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
|
||||
ELT_INIT( GL_LINES, HW_LINES );
|
||||
|
||||
/* Emit whole number of lines in each full buffer.
|
||||
*/
|
||||
dmasz = dmasz/2;
|
||||
|
||||
/* Ensure last vertex doesn't wrap:
|
||||
*/
|
||||
dmasz--;
|
||||
|
||||
for (; j + 1 < count; ) {
|
||||
GLint i;
|
||||
ELT_TYPE *dest;
|
||||
|
||||
nr = MIN2( dmasz, count - j );
|
||||
dest = ALLOC_ELTS( nr*2 ); /* allocs room for 1 more line */
|
||||
|
||||
for ( i = 0 ; i < nr - 1 ; i+=1 ) {
|
||||
EMIT_TWO_ELTS( dest, 0, (j+i), (j+i+1) );
|
||||
dest += 2;
|
||||
}
|
||||
|
||||
j += nr - 1;
|
||||
|
||||
/* Emit 1 more line into space alloced above */
|
||||
if (j + 1 >= count) {
|
||||
EMIT_TWO_ELTS( dest, 0, (j), (start) );
|
||||
dest += 2;
|
||||
}
|
||||
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
int dmasz = GET_MAX_HW_ELTS() - 1;
|
||||
|
||||
ELT_INIT( GL_LINE_STRIP, HW_LINE_STRIP );
|
||||
|
||||
for ( ; j + 1 < count; ) {
|
||||
nr = MIN2( dmasz, count - j );
|
||||
if (j + nr < count) {
|
||||
ELT_TYPE *dest = ALLOC_ELTS( nr );
|
||||
dest = TAG(emit_consecutive_elts)( ctx, dest, j, nr );
|
||||
(void) dest;
|
||||
j += nr - 1;
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
else if (nr) {
|
||||
ELT_TYPE *dest = ALLOC_ELTS( nr + 1 );
|
||||
dest = TAG(emit_consecutive_elts)( ctx, dest, j, nr );
|
||||
dest = TAG(emit_consecutive_elts)( ctx, dest, start, 1 );
|
||||
(void) dest;
|
||||
j += nr;
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
TAG(render_line_strip_verts)( ctx, j, count, flags );
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void TAG(render_triangles_verts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
|
||||
count -= (count-start)%3;
|
||||
|
||||
if (start+2 >= count) {
|
||||
return;
|
||||
}
|
||||
|
||||
/* need a PREFER_DISCRETE_ELT_PRIM here too..
|
||||
*/
|
||||
EMIT_PRIM( ctx, GL_TRIANGLES, HW_TRIANGLES, start, count );
|
||||
}
|
||||
|
||||
|
||||
|
||||
static void TAG(render_tri_strip_verts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
|
||||
if (start + 2 >= count)
|
||||
return;
|
||||
|
||||
if (PREFER_DISCRETE_ELT_PRIM( count-start, HW_TRIANGLES ))
|
||||
{
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
int parity = 0;
|
||||
GLuint j, nr;
|
||||
|
||||
ELT_INIT( GL_TRIANGLES, HW_TRIANGLES );
|
||||
|
||||
/* Emit even number of tris in each full buffer.
|
||||
*/
|
||||
dmasz = dmasz/3;
|
||||
dmasz -= dmasz & 1;
|
||||
|
||||
for (j = start; j + 2 < count; j += nr - 2 ) {
|
||||
ELT_TYPE *dest;
|
||||
GLint i;
|
||||
|
||||
nr = MIN2( dmasz, count - j );
|
||||
dest = ALLOC_ELTS( (nr-2)*3 );
|
||||
|
||||
for ( i = j ; i+2 < j+nr ; i++, parity^=1 ) {
|
||||
EMIT_ELT( dest, 0, (i+0+parity) );
|
||||
EMIT_ELT( dest, 1, (i+1-parity) );
|
||||
EMIT_ELT( dest, 2, (i+2) );
|
||||
dest += 3;
|
||||
}
|
||||
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
else
|
||||
EMIT_PRIM( ctx, GL_TRIANGLE_STRIP, HW_TRIANGLE_STRIP_0, start, count );
|
||||
}
|
||||
|
||||
static void TAG(render_tri_fan_verts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
|
||||
if (start+2 >= count)
|
||||
return;
|
||||
|
||||
if (PREFER_DISCRETE_ELT_PRIM( count-start, HW_TRIANGLES ))
|
||||
{
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
GLuint j, nr;
|
||||
|
||||
ELT_INIT( GL_TRIANGLES, HW_TRIANGLES );
|
||||
|
||||
dmasz = dmasz/3;
|
||||
|
||||
for (j = start + 1; j + 1 < count; j += nr - 1 ) {
|
||||
ELT_TYPE *dest;
|
||||
GLint i;
|
||||
|
||||
nr = MIN2( dmasz, count - j );
|
||||
dest = ALLOC_ELTS( (nr-1)*3 );
|
||||
|
||||
for ( i = j ; i+1 < j+nr ; i++ ) {
|
||||
EMIT_ELT( dest, 0, (start) );
|
||||
EMIT_ELT( dest, 1, (i) );
|
||||
EMIT_ELT( dest, 2, (i+1) );
|
||||
dest += 3;
|
||||
}
|
||||
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
else {
|
||||
EMIT_PRIM( ctx, GL_TRIANGLE_FAN, HW_TRIANGLE_FAN, start, count );
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void TAG(render_poly_verts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
|
||||
if (start+2 >= count)
|
||||
return;
|
||||
|
||||
EMIT_PRIM( ctx, GL_POLYGON, HW_POLYGON, start, count );
|
||||
}
|
||||
|
||||
static void TAG(render_quad_strip_verts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
|
||||
count -= (count-start) & 1;
|
||||
|
||||
if (start+3 >= count)
|
||||
return;
|
||||
|
||||
if (HAVE_QUAD_STRIPS) {
|
||||
EMIT_PRIM( ctx, GL_QUAD_STRIP, HW_QUAD_STRIP, start, count );
|
||||
}
|
||||
else if (ctx->Light.ShadeModel == GL_FLAT) {
|
||||
LOCAL_VARS;
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
GLuint j, nr;
|
||||
|
||||
ELT_INIT( GL_TRIANGLES, HW_TRIANGLES );
|
||||
|
||||
/* Emit whole number of quads in total, and in each buffer.
|
||||
*/
|
||||
dmasz = (dmasz/6)*2;
|
||||
|
||||
for (j = start; j + 3 < count; j += nr - 2 ) {
|
||||
ELT_TYPE *dest;
|
||||
GLint quads, i;
|
||||
|
||||
nr = MIN2( dmasz, count - j );
|
||||
quads = (nr/2)-1;
|
||||
dest = ALLOC_ELTS( quads*6 );
|
||||
|
||||
for ( i = j ; i < j+quads*2 ; i+=2 ) {
|
||||
EMIT_TWO_ELTS( dest, 0, (i+0), (i+1) );
|
||||
EMIT_TWO_ELTS( dest, 2, (i+2), (i+1) );
|
||||
EMIT_TWO_ELTS( dest, 4, (i+3), (i+2) );
|
||||
dest += 6;
|
||||
}
|
||||
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
else {
|
||||
EMIT_PRIM( ctx, GL_TRIANGLE_STRIP, HW_TRIANGLE_STRIP_0, start, count );
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void TAG(render_quads_verts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
count -= (count-start)%4;
|
||||
|
||||
if (start+3 >= count)
|
||||
return;
|
||||
|
||||
if (HAVE_QUADS) {
|
||||
EMIT_PRIM( ctx, GL_QUADS, HW_QUADS, start, count );
|
||||
}
|
||||
else {
|
||||
/* Hardware doesn't have a quad primitive type -- simulate it
|
||||
* using indexed vertices and the triangle primitive:
|
||||
*/
|
||||
LOCAL_VARS;
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
GLuint j, nr;
|
||||
|
||||
ELT_INIT( GL_TRIANGLES, HW_TRIANGLES );
|
||||
|
||||
/* Adjust for rendering as triangles:
|
||||
*/
|
||||
dmasz = (dmasz/6)*4;
|
||||
|
||||
for (j = start; j < count; j += nr ) {
|
||||
ELT_TYPE *dest;
|
||||
GLint quads, i;
|
||||
|
||||
nr = MIN2( dmasz, count - j );
|
||||
quads = nr/4;
|
||||
dest = ALLOC_ELTS( quads*6 );
|
||||
|
||||
for ( i = j ; i < j+quads*4 ; i+=4 ) {
|
||||
EMIT_TWO_ELTS( dest, 0, (i+0), (i+1) );
|
||||
EMIT_TWO_ELTS( dest, 2, (i+3), (i+1) );
|
||||
EMIT_TWO_ELTS( dest, 4, (i+2), (i+3) );
|
||||
dest += 6;
|
||||
}
|
||||
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void TAG(render_noop)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
static tnl_render_func TAG(render_tab_verts)[GL_POLYGON+2] =
|
||||
{
|
||||
TAG(render_points_verts),
|
||||
TAG(render_lines_verts),
|
||||
TAG(render_line_loop_verts),
|
||||
TAG(render_line_strip_verts),
|
||||
TAG(render_triangles_verts),
|
||||
TAG(render_tri_strip_verts),
|
||||
TAG(render_tri_fan_verts),
|
||||
TAG(render_quads_verts),
|
||||
TAG(render_quad_strip_verts),
|
||||
TAG(render_poly_verts),
|
||||
TAG(render_noop),
|
||||
};
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Render elts using hardware indexed verts *
|
||||
****************************************************************************/
|
||||
|
||||
static void TAG(render_points_elts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
GLuint *elts = GET_MESA_ELTS();
|
||||
GLuint j, nr;
|
||||
ELT_TYPE *dest;
|
||||
|
||||
ELT_INIT( GL_POINTS, HW_POINTS );
|
||||
|
||||
for (j = start; j < count; j += nr ) {
|
||||
nr = MIN2( dmasz, count - j );
|
||||
dest = ALLOC_ELTS( nr );
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
|
||||
(void) dest;
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
static void TAG(render_lines_elts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
GLuint *elts = GET_MESA_ELTS();
|
||||
GLuint j, nr;
|
||||
ELT_TYPE *dest;
|
||||
|
||||
if (start+1 >= count)
|
||||
return;
|
||||
|
||||
if ((flags & PRIM_BEGIN) && ctx->Line.StippleFlag) {
|
||||
RESET_STIPPLE();
|
||||
AUTO_STIPPLE( GL_TRUE );
|
||||
}
|
||||
|
||||
ELT_INIT( GL_LINES, HW_LINES );
|
||||
|
||||
/* Emit whole number of lines in total and in each buffer:
|
||||
*/
|
||||
count -= (count-start) & 1;
|
||||
dmasz -= dmasz & 1;
|
||||
|
||||
for (j = start; j < count; j += nr ) {
|
||||
nr = MIN2( dmasz, count - j );
|
||||
dest = ALLOC_ELTS( nr );
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
|
||||
(void) dest;
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
|
||||
if ((flags & PRIM_END) && ctx->Line.StippleFlag)
|
||||
AUTO_STIPPLE( GL_FALSE );
|
||||
}
|
||||
|
||||
|
||||
static void TAG(render_line_strip_elts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
GLuint *elts = GET_MESA_ELTS();
|
||||
GLuint j, nr;
|
||||
ELT_TYPE *dest;
|
||||
|
||||
if (start+1 >= count)
|
||||
return;
|
||||
|
||||
ELT_INIT( GL_LINE_STRIP, HW_LINE_STRIP );
|
||||
|
||||
if ((flags & PRIM_BEGIN) && ctx->Line.StippleFlag)
|
||||
RESET_STIPPLE();
|
||||
|
||||
for (j = start; j + 1 < count; j += nr - 1 ) {
|
||||
nr = MIN2( dmasz, count - j );
|
||||
dest = ALLOC_ELTS( nr );
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
|
||||
(void) dest;
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void TAG(render_line_loop_elts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
GLuint *elts = GET_MESA_ELTS();
|
||||
GLuint j, nr;
|
||||
ELT_TYPE *dest;
|
||||
|
||||
if (0) fprintf(stderr, "%s\n", __func__);
|
||||
|
||||
if (flags & PRIM_BEGIN)
|
||||
j = start;
|
||||
else
|
||||
j = start + 1;
|
||||
|
||||
|
||||
if (flags & PRIM_END) {
|
||||
if (start+1 >= count)
|
||||
return;
|
||||
}
|
||||
else {
|
||||
if (j+1 >= count)
|
||||
return;
|
||||
}
|
||||
|
||||
ELT_INIT( GL_LINE_STRIP, HW_LINE_STRIP );
|
||||
|
||||
if ((flags & PRIM_BEGIN) && ctx->Line.StippleFlag)
|
||||
RESET_STIPPLE();
|
||||
|
||||
|
||||
/* Ensure last vertex doesn't wrap:
|
||||
*/
|
||||
dmasz--;
|
||||
|
||||
for ( ; j + 1 < count; ) {
|
||||
nr = MIN2( dmasz, count - j );
|
||||
dest = ALLOC_ELTS( nr+1 ); /* Reserve possible space for last elt */
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
|
||||
j += nr - 1;
|
||||
if (j + 1 >= count && (flags & PRIM_END)) {
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+start, 1 );
|
||||
(void) dest;
|
||||
}
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void TAG(render_triangles_elts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
GLuint *elts = GET_MESA_ELTS();
|
||||
int dmasz = GET_MAX_HW_ELTS()/3*3;
|
||||
GLuint j, nr;
|
||||
ELT_TYPE *dest;
|
||||
|
||||
if (start+2 >= count)
|
||||
return;
|
||||
|
||||
ELT_INIT( GL_TRIANGLES, HW_TRIANGLES );
|
||||
|
||||
|
||||
/* Emit whole number of tris in total. dmasz is already a multiple
|
||||
* of 3.
|
||||
*/
|
||||
count -= (count-start)%3;
|
||||
|
||||
for (j = start; j < count; j += nr) {
|
||||
nr = MIN2( dmasz, count - j );
|
||||
dest = ALLOC_ELTS( nr );
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
|
||||
(void) dest;
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
static void TAG(render_tri_strip_elts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
GLuint j, nr;
|
||||
GLuint *elts = GET_MESA_ELTS();
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
ELT_TYPE *dest;
|
||||
|
||||
if (start+2 >= count)
|
||||
return;
|
||||
|
||||
ELT_INIT( GL_TRIANGLE_STRIP, HW_TRIANGLE_STRIP_0 );
|
||||
|
||||
/* Keep the same winding over multiple buffers:
|
||||
*/
|
||||
dmasz -= (dmasz & 1);
|
||||
|
||||
for (j = start ; j + 2 < count; j += nr - 2 ) {
|
||||
nr = MIN2( dmasz, count - j );
|
||||
|
||||
dest = ALLOC_ELTS( nr );
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
|
||||
(void) dest;
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
|
||||
static void TAG(render_tri_fan_elts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
GLuint *elts = GET_MESA_ELTS();
|
||||
GLuint j, nr;
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
ELT_TYPE *dest;
|
||||
|
||||
if (start+2 >= count)
|
||||
return;
|
||||
|
||||
ELT_INIT( GL_TRIANGLE_FAN, HW_TRIANGLE_FAN );
|
||||
|
||||
for (j = start + 1 ; j + 1 < count; j += nr - 1 ) {
|
||||
nr = MIN2( dmasz, count - j + 1 );
|
||||
dest = ALLOC_ELTS( nr );
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+start, 1 );
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+j, nr - 1 );
|
||||
(void) dest;
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void TAG(render_poly_elts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
LOCAL_VARS;
|
||||
GLuint *elts = GET_MESA_ELTS();
|
||||
GLuint j, nr;
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
ELT_TYPE *dest;
|
||||
|
||||
if (start+2 >= count)
|
||||
return;
|
||||
|
||||
ELT_INIT( GL_POLYGON, HW_POLYGON );
|
||||
|
||||
for (j = start + 1 ; j + 1 < count ; j += nr - 1 ) {
|
||||
nr = MIN2( dmasz, count - j + 1 );
|
||||
dest = ALLOC_ELTS( nr );
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+start, 1 );
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+j, nr - 1 );
|
||||
(void) dest;
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
|
||||
static void TAG(render_quad_strip_elts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
if (start+3 >= count)
|
||||
return;
|
||||
|
||||
if (HAVE_QUAD_STRIPS && 0) {
|
||||
}
|
||||
else {
|
||||
LOCAL_VARS;
|
||||
GLuint *elts = GET_MESA_ELTS();
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
GLuint j, nr;
|
||||
ELT_TYPE *dest;
|
||||
|
||||
/* Emit whole number of quads in total, and in each buffer.
|
||||
*/
|
||||
dmasz -= dmasz & 1;
|
||||
count -= (count-start) & 1;
|
||||
|
||||
if (ctx->Light.ShadeModel == GL_FLAT) {
|
||||
ELT_INIT( GL_TRIANGLES, HW_TRIANGLES );
|
||||
|
||||
dmasz = dmasz/6*2;
|
||||
|
||||
for (j = start; j + 3 < count; j += nr - 2 ) {
|
||||
nr = MIN2( dmasz, count - j );
|
||||
|
||||
if (nr >= 4)
|
||||
{
|
||||
GLint quads = (nr/2)-1;
|
||||
ELT_TYPE *dest = ALLOC_ELTS( quads*6 );
|
||||
GLint i;
|
||||
|
||||
for ( i = j-start ; i < j-start+quads ; i++, elts += 2 ) {
|
||||
EMIT_TWO_ELTS( dest, 0, elts[0], elts[1] );
|
||||
EMIT_TWO_ELTS( dest, 2, elts[2], elts[1] );
|
||||
EMIT_TWO_ELTS( dest, 4, elts[3], elts[2] );
|
||||
dest += 6;
|
||||
}
|
||||
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
}
|
||||
else {
|
||||
ELT_INIT( GL_TRIANGLE_STRIP, HW_TRIANGLE_STRIP_0 );
|
||||
|
||||
for (j = start; j + 3 < count; j += nr - 2 ) {
|
||||
nr = MIN2( dmasz, count - j );
|
||||
dest = ALLOC_ELTS( nr );
|
||||
dest = TAG(emit_elts)( ctx, dest, elts+j, nr );
|
||||
(void) dest;
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void TAG(render_quads_elts)( struct gl_context *ctx,
|
||||
GLuint start,
|
||||
GLuint count,
|
||||
GLuint flags )
|
||||
{
|
||||
if (start+3 >= count)
|
||||
return;
|
||||
|
||||
if (HAVE_QUADS && 0) {
|
||||
} else {
|
||||
LOCAL_VARS;
|
||||
GLuint *elts = GET_MESA_ELTS();
|
||||
int dmasz = GET_MAX_HW_ELTS();
|
||||
GLuint j, nr;
|
||||
|
||||
ELT_INIT( GL_TRIANGLES, HW_TRIANGLES );
|
||||
|
||||
/* Emit whole number of quads in total, and in each buffer.
|
||||
*/
|
||||
dmasz -= dmasz & 3;
|
||||
count -= (count-start) & 3;
|
||||
|
||||
/* Adjust for rendering as triangles:
|
||||
*/
|
||||
dmasz = dmasz/6*4;
|
||||
|
||||
for (j = start; j + 3 < count; j += nr ) {
|
||||
nr = MIN2( dmasz, count - j );
|
||||
|
||||
{
|
||||
GLint quads = nr/4;
|
||||
ELT_TYPE *dest = ALLOC_ELTS( quads * 6 );
|
||||
GLint i;
|
||||
|
||||
for ( i = j-start ; i < j-start+quads ; i++, elts += 4 ) {
|
||||
EMIT_TWO_ELTS( dest, 0, elts[0], elts[1] );
|
||||
EMIT_TWO_ELTS( dest, 2, elts[3], elts[1] );
|
||||
EMIT_TWO_ELTS( dest, 4, elts[2], elts[3] );
|
||||
dest += 6;
|
||||
}
|
||||
|
||||
CLOSE_ELTS();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
static tnl_render_func TAG(render_tab_elts)[GL_POLYGON+2] =
|
||||
{
|
||||
TAG(render_points_elts),
|
||||
TAG(render_lines_elts),
|
||||
TAG(render_line_loop_elts),
|
||||
TAG(render_line_strip_elts),
|
||||
TAG(render_triangles_elts),
|
||||
TAG(render_tri_strip_elts),
|
||||
TAG(render_tri_fan_elts),
|
||||
TAG(render_quads_elts),
|
||||
TAG(render_quad_strip_elts),
|
||||
TAG(render_poly_elts),
|
||||
TAG(render_noop),
|
||||
};
|
||||
|
|
@ -1,157 +0,0 @@
|
|||
#ifndef DO_DEBUG_VERTS
|
||||
#define DO_DEBUG_VERTS 0
|
||||
#endif
|
||||
|
||||
#ifndef PRINT_VERTEX
|
||||
#define PRINT_VERTEX(x)
|
||||
#endif
|
||||
|
||||
#if defined(USE_X86_ASM)
|
||||
#define COPY_DWORDS( j, vb, vertsize, v ) \
|
||||
do { \
|
||||
int __tmp; \
|
||||
__asm__ __volatile__( "rep ; movsl" \
|
||||
: "=%c" (j), "=D" (vb), "=S" (__tmp) \
|
||||
: "0" (vertsize), \
|
||||
"D" ((long)vb), \
|
||||
"S" ((long)v) ); \
|
||||
} while (0)
|
||||
#else
|
||||
#define COPY_DWORDS( j, vb, vertsize, v ) \
|
||||
do { \
|
||||
for ( j = 0 ; j < vertsize ; j++ ) \
|
||||
vb[j] = ((GLuint *)v)[j]; \
|
||||
vb += vertsize; \
|
||||
} while (0)
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
#if HAVE_QUADS
|
||||
static __inline void TAG(quad)( CTX_ARG,
|
||||
VERTEX *v0,
|
||||
VERTEX *v1,
|
||||
VERTEX *v2,
|
||||
VERTEX *v3 )
|
||||
{
|
||||
GLuint vertsize = GET_VERTEX_DWORDS();
|
||||
GLuint *vb = (GLuint *)ALLOC_VERTS( 4, vertsize);
|
||||
GLuint j;
|
||||
|
||||
if (DO_DEBUG_VERTS) {
|
||||
fprintf(stderr, "%s\n", __func__);
|
||||
PRINT_VERTEX(v0);
|
||||
PRINT_VERTEX(v1);
|
||||
PRINT_VERTEX(v2);
|
||||
PRINT_VERTEX(v3);
|
||||
}
|
||||
|
||||
COPY_DWORDS( j, vb, vertsize, v0 );
|
||||
COPY_DWORDS( j, vb, vertsize, v1 );
|
||||
COPY_DWORDS( j, vb, vertsize, v2 );
|
||||
COPY_DWORDS( j, vb, vertsize, v3 );
|
||||
}
|
||||
#else
|
||||
static __inline void TAG(quad)( CTX_ARG,
|
||||
VERTEX *v0,
|
||||
VERTEX *v1,
|
||||
VERTEX *v2,
|
||||
VERTEX *v3 )
|
||||
{
|
||||
GLuint vertsize = GET_VERTEX_DWORDS();
|
||||
GLuint *vb = (GLuint *)ALLOC_VERTS( 6, vertsize);
|
||||
GLuint j;
|
||||
|
||||
if (DO_DEBUG_VERTS) {
|
||||
fprintf(stderr, "%s\n", __func__);
|
||||
PRINT_VERTEX(v0);
|
||||
PRINT_VERTEX(v1);
|
||||
PRINT_VERTEX(v2);
|
||||
PRINT_VERTEX(v3);
|
||||
}
|
||||
|
||||
COPY_DWORDS( j, vb, vertsize, v0 );
|
||||
COPY_DWORDS( j, vb, vertsize, v1 );
|
||||
COPY_DWORDS( j, vb, vertsize, v3 );
|
||||
COPY_DWORDS( j, vb, vertsize, v1 );
|
||||
COPY_DWORDS( j, vb, vertsize, v2 );
|
||||
COPY_DWORDS( j, vb, vertsize, v3 );
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
static __inline void TAG(triangle)( CTX_ARG,
|
||||
VERTEX *v0,
|
||||
VERTEX *v1,
|
||||
VERTEX *v2 )
|
||||
{
|
||||
GLuint vertsize = GET_VERTEX_DWORDS();
|
||||
GLuint *vb = (GLuint *)ALLOC_VERTS( 3, vertsize);
|
||||
GLuint j;
|
||||
|
||||
if (DO_DEBUG_VERTS) {
|
||||
fprintf(stderr, "%s\n", __func__);
|
||||
PRINT_VERTEX(v0);
|
||||
PRINT_VERTEX(v1);
|
||||
PRINT_VERTEX(v2);
|
||||
}
|
||||
|
||||
COPY_DWORDS( j, vb, vertsize, v0 );
|
||||
COPY_DWORDS( j, vb, vertsize, v1 );
|
||||
COPY_DWORDS( j, vb, vertsize, v2 );
|
||||
}
|
||||
|
||||
|
||||
#if HAVE_LINES
|
||||
static __inline void TAG(line)( CTX_ARG,
|
||||
VERTEX *v0,
|
||||
VERTEX *v1 )
|
||||
{
|
||||
GLuint vertsize = GET_VERTEX_DWORDS();
|
||||
GLuint *vb = (GLuint *)ALLOC_VERTS( 2, vertsize);
|
||||
GLuint j;
|
||||
|
||||
COPY_DWORDS( j, vb, vertsize, v0 );
|
||||
COPY_DWORDS( j, vb, vertsize, v1 );
|
||||
}
|
||||
#endif
|
||||
|
||||
#if HAVE_POINTS
|
||||
static __inline void TAG(point)( CTX_ARG,
|
||||
VERTEX *v0 )
|
||||
{
|
||||
GLuint vertsize = GET_VERTEX_DWORDS();
|
||||
GLuint *vb = (GLuint *)ALLOC_VERTS( 1, vertsize);
|
||||
int j;
|
||||
|
||||
COPY_DWORDS( j, vb, vertsize, v0 );
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
static void TAG(fast_clipped_poly)( struct gl_context *ctx, const GLuint *elts,
|
||||
GLuint n )
|
||||
{
|
||||
LOCAL_VARS
|
||||
GLuint vertsize = GET_VERTEX_DWORDS();
|
||||
GLuint *vb = (GLuint *)ALLOC_VERTS( (n-2) * 3, vertsize );
|
||||
const GLuint *start = (const GLuint *)VERT(elts[0]);
|
||||
GLuint i,j;
|
||||
|
||||
if (DO_DEBUG_VERTS) {
|
||||
fprintf(stderr, "%s\n", __func__);
|
||||
PRINT_VERTEX(VERT(elts[0]));
|
||||
PRINT_VERTEX(VERT(elts[1]));
|
||||
}
|
||||
|
||||
for (i = 2 ; i < n ; i++) {
|
||||
if (DO_DEBUG_VERTS) {
|
||||
PRINT_VERTEX(VERT(elts[i]));
|
||||
}
|
||||
|
||||
COPY_DWORDS( j, vb, vertsize, VERT(elts[i-1]) );
|
||||
COPY_DWORDS( j, vb, vertsize, VERT(elts[i]) );
|
||||
COPY_DWORDS( j, vb, vertsize, start );
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1,702 +0,0 @@
|
|||
/*
|
||||
* Mesa 3-D graphics library
|
||||
*
|
||||
* Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation
|
||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
||||
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
||||
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
||||
* OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
* Authors:
|
||||
* Keith Whitwell <keithw@vmware.com>
|
||||
*/
|
||||
|
||||
|
||||
/* Template for building functions to plug into the driver interface
|
||||
* of t_vb_render.c:
|
||||
* ctx->Driver.QuadFunc
|
||||
* ctx->Driver.TriangleFunc
|
||||
* ctx->Driver.LineFunc
|
||||
* ctx->Driver.PointsFunc
|
||||
*
|
||||
* DO_TWOSIDE: Plug back-color values from the VB into backfacing triangles,
|
||||
* and restore vertices afterwards.
|
||||
* DO_OFFSET: Calculate offset for triangles and adjust vertices. Restore
|
||||
* vertices after rendering.
|
||||
* DO_FLAT: For hardware without native flatshading, copy provoking colors
|
||||
* into the other vertices. Restore after rendering.
|
||||
* DO_UNFILLED: Decompose triangles to lines and points where appropriate.
|
||||
* DO_TWOSTENCIL:Gross hack for two-sided stencil.
|
||||
*
|
||||
* HAVE_SPEC: Vertices have secondary rgba values.
|
||||
*
|
||||
* VERT_X(v): Alias for vertex x value.
|
||||
* VERT_Y(v): Alias for vertex y value.
|
||||
* VERT_Z(v): Alias for vertex z value.
|
||||
* DEPTH_SCALE: Scale for constant offset.
|
||||
* REVERSE_DEPTH: Viewport depth range reversed.
|
||||
*
|
||||
* VERTEX: Hardware vertex type.
|
||||
* GET_VERTEX(n): Retreive vertex with index n.
|
||||
* AREA_IS_CCW(a): Return true if triangle with signed area a is ccw.
|
||||
*
|
||||
* VERT_SET_RGBA: Assign vertex rgba from VB color.
|
||||
* VERT_COPY_RGBA: Copy vertex rgba another vertex.
|
||||
* VERT_SAVE_RGBA: Save vertex rgba to a local variable.
|
||||
* VERT_RESTORE_RGBA: Restore vertex rgba from a local variable.
|
||||
* --> Similar for SPEC.
|
||||
*
|
||||
* LOCAL_VARS(n): (At least) define local vars for save/restore rgba.
|
||||
*
|
||||
*/
|
||||
|
||||
#if HAVE_BACK_COLORS
|
||||
#define VERT_SET_RGBA( v, c )
|
||||
#endif
|
||||
|
||||
#if !HAVE_SPEC
|
||||
#define VERT_SET_SPEC( v, c ) (void) c
|
||||
#define VERT_COPY_SPEC( v0, v1 )
|
||||
#define VERT_SAVE_SPEC( idx )
|
||||
#define VERT_RESTORE_SPEC( idx )
|
||||
#if HAVE_BACK_COLORS
|
||||
#define VERT_COPY_SPEC1( v )
|
||||
#endif
|
||||
#else
|
||||
#if HAVE_BACK_COLORS
|
||||
#define VERT_SET_SPEC( v, c )
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if !HAVE_BACK_COLORS
|
||||
#define VERT_COPY_SPEC1( v )
|
||||
#define VERT_COPY_RGBA1( v )
|
||||
#endif
|
||||
|
||||
#ifndef INSANE_VERTICES
|
||||
#define VERT_SET_Z(v,val) VERT_Z(v) = val
|
||||
#define VERT_Z_ADD(v,val) VERT_Z(v) += val
|
||||
#endif
|
||||
|
||||
#ifndef REVERSE_DEPTH
|
||||
#define REVERSE_DEPTH 0
|
||||
#endif
|
||||
|
||||
/* disable twostencil for un-aware drivers */
|
||||
#ifndef HAVE_STENCIL_TWOSIDE
|
||||
#define HAVE_STENCIL_TWOSIDE 0
|
||||
#endif
|
||||
#ifndef DO_TWOSTENCIL
|
||||
#define DO_TWOSTENCIL 0
|
||||
#endif
|
||||
#ifndef SETUP_STENCIL
|
||||
#define SETUP_STENCIL(f)
|
||||
#endif
|
||||
#ifndef UNSET_STENCIL
|
||||
#define UNSET_STENCIL(f)
|
||||
#endif
|
||||
|
||||
#if DO_TRI
|
||||
static void TAG(triangle)( struct gl_context *ctx, GLuint e0, GLuint e1, GLuint e2 )
|
||||
{
|
||||
struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
|
||||
VERTEX *v[3];
|
||||
GLfloat offset = 0;
|
||||
GLfloat z[3] = { 0 };
|
||||
GLenum mode = GL_FILL;
|
||||
GLuint facing = 0;
|
||||
LOCAL_VARS(3);
|
||||
|
||||
/* fprintf(stderr, "%s\n", __func__); */
|
||||
|
||||
v[0] = (VERTEX *)GET_VERTEX(e0);
|
||||
v[1] = (VERTEX *)GET_VERTEX(e1);
|
||||
v[2] = (VERTEX *)GET_VERTEX(e2);
|
||||
|
||||
if (DO_TWOSIDE || DO_OFFSET || DO_UNFILLED || DO_TWOSTENCIL)
|
||||
{
|
||||
GLfloat ex = VERT_X(v[0]) - VERT_X(v[2]);
|
||||
GLfloat ey = VERT_Y(v[0]) - VERT_Y(v[2]);
|
||||
GLfloat fx = VERT_X(v[1]) - VERT_X(v[2]);
|
||||
GLfloat fy = VERT_Y(v[1]) - VERT_Y(v[2]);
|
||||
GLfloat cc = ex*fy - ey*fx;
|
||||
|
||||
if (DO_TWOSIDE || DO_UNFILLED || DO_TWOSTENCIL)
|
||||
{
|
||||
facing = AREA_IS_CCW( cc ) ^ _mesa_polygon_get_front_bit(ctx);
|
||||
|
||||
if (DO_UNFILLED) {
|
||||
if (facing) {
|
||||
mode = ctx->Polygon.BackMode;
|
||||
if (ctx->Polygon.CullFlag &&
|
||||
ctx->Polygon.CullFaceMode != GL_FRONT) {
|
||||
return;
|
||||
}
|
||||
} else {
|
||||
mode = ctx->Polygon.FrontMode;
|
||||
if (ctx->Polygon.CullFlag &&
|
||||
ctx->Polygon.CullFaceMode != GL_BACK) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (DO_TWOSIDE && facing == 1) {
|
||||
if (HAVE_BACK_COLORS) {
|
||||
if (!DO_FLAT) {
|
||||
VERT_SAVE_RGBA( 0 );
|
||||
VERT_SAVE_RGBA( 1 );
|
||||
VERT_COPY_RGBA1( v[0] );
|
||||
VERT_COPY_RGBA1( v[1] );
|
||||
}
|
||||
VERT_SAVE_RGBA( 2 );
|
||||
VERT_COPY_RGBA1( v[2] );
|
||||
if (HAVE_SPEC) {
|
||||
if (!DO_FLAT) {
|
||||
VERT_SAVE_SPEC( 0 );
|
||||
VERT_SAVE_SPEC( 1 );
|
||||
VERT_COPY_SPEC1( v[0] );
|
||||
VERT_COPY_SPEC1( v[1] );
|
||||
}
|
||||
VERT_SAVE_SPEC( 2 );
|
||||
VERT_COPY_SPEC1( v[2] );
|
||||
}
|
||||
}
|
||||
else {
|
||||
GLfloat (*vbcolor)[4] = VB->BackfaceColorPtr->data;
|
||||
(void) vbcolor;
|
||||
|
||||
if (!DO_FLAT) {
|
||||
VERT_SAVE_RGBA( 0 );
|
||||
VERT_SAVE_RGBA( 1 );
|
||||
}
|
||||
VERT_SAVE_RGBA( 2 );
|
||||
|
||||
if (VB->BackfaceColorPtr->stride) {
|
||||
assert(VB->BackfaceColorPtr->stride == 4*sizeof(GLfloat));
|
||||
|
||||
if (!DO_FLAT) {
|
||||
VERT_SET_RGBA( v[0], vbcolor[e0] );
|
||||
VERT_SET_RGBA( v[1], vbcolor[e1] );
|
||||
}
|
||||
VERT_SET_RGBA( v[2], vbcolor[e2] );
|
||||
}
|
||||
else {
|
||||
if (!DO_FLAT) {
|
||||
VERT_SET_RGBA( v[0], vbcolor[0] );
|
||||
VERT_SET_RGBA( v[1], vbcolor[0] );
|
||||
}
|
||||
VERT_SET_RGBA( v[2], vbcolor[0] );
|
||||
}
|
||||
|
||||
if (HAVE_SPEC && VB->BackfaceSecondaryColorPtr) {
|
||||
GLfloat (*vbspec)[4] = VB->BackfaceSecondaryColorPtr->data;
|
||||
assert(VB->BackfaceSecondaryColorPtr->stride == 4*sizeof(GLfloat));
|
||||
|
||||
if (!DO_FLAT) {
|
||||
VERT_SAVE_SPEC( 0 );
|
||||
VERT_SAVE_SPEC( 1 );
|
||||
VERT_SET_SPEC( v[0], vbspec[e0] );
|
||||
VERT_SET_SPEC( v[1], vbspec[e1] );
|
||||
}
|
||||
VERT_SAVE_SPEC( 2 );
|
||||
VERT_SET_SPEC( v[2], vbspec[e2] );
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (DO_OFFSET)
|
||||
{
|
||||
offset = ctx->Polygon.OffsetUnits * DEPTH_SCALE;
|
||||
z[0] = VERT_Z(v[0]);
|
||||
z[1] = VERT_Z(v[1]);
|
||||
z[2] = VERT_Z(v[2]);
|
||||
if (cc * cc > 1e-16) {
|
||||
GLfloat ic = 1.0 / cc;
|
||||
GLfloat ez = z[0] - z[2];
|
||||
GLfloat fz = z[1] - z[2];
|
||||
GLfloat a = ey*fz - ez*fy;
|
||||
GLfloat b = ez*fx - ex*fz;
|
||||
GLfloat ac = a * ic;
|
||||
GLfloat bc = b * ic;
|
||||
if ( ac < 0.0f ) ac = -ac;
|
||||
if ( bc < 0.0f ) bc = -bc;
|
||||
offset += MAX2( ac, bc ) * ctx->Polygon.OffsetFactor / ctx->DrawBuffer->_MRD;
|
||||
}
|
||||
offset *= ctx->DrawBuffer->_MRD * (REVERSE_DEPTH ? -1.0 : 1.0);
|
||||
}
|
||||
}
|
||||
|
||||
if (DO_FLAT) {
|
||||
VERT_SAVE_RGBA( 0 );
|
||||
VERT_SAVE_RGBA( 1 );
|
||||
VERT_COPY_RGBA( v[0], v[2] );
|
||||
VERT_COPY_RGBA( v[1], v[2] );
|
||||
if (HAVE_SPEC && VB->AttribPtr[_TNL_ATTRIB_COLOR1]) {
|
||||
VERT_SAVE_SPEC( 0 );
|
||||
VERT_SAVE_SPEC( 1 );
|
||||
VERT_COPY_SPEC( v[0], v[2] );
|
||||
VERT_COPY_SPEC( v[1], v[2] );
|
||||
}
|
||||
}
|
||||
|
||||
if (mode == GL_POINT) {
|
||||
if (DO_OFFSET && ctx->Polygon.OffsetPoint) {
|
||||
VERT_Z_ADD(v[0], offset);
|
||||
VERT_Z_ADD(v[1], offset);
|
||||
VERT_Z_ADD(v[2], offset);
|
||||
}
|
||||
if (DO_TWOSTENCIL && !HAVE_STENCIL_TWOSIDE && ctx->Stencil.TestTwoSide) {
|
||||
SETUP_STENCIL(facing);
|
||||
UNFILLED_TRI( ctx, GL_POINT, e0, e1, e2 );
|
||||
UNSET_STENCIL(facing);
|
||||
} else {
|
||||
UNFILLED_TRI( ctx, GL_POINT, e0, e1, e2 );
|
||||
}
|
||||
} else if (mode == GL_LINE) {
|
||||
if (DO_OFFSET && ctx->Polygon.OffsetLine) {
|
||||
VERT_Z_ADD(v[0], offset);
|
||||
VERT_Z_ADD(v[1], offset);
|
||||
VERT_Z_ADD(v[2], offset);
|
||||
}
|
||||
if (DO_TWOSTENCIL && !HAVE_STENCIL_TWOSIDE && ctx->Stencil.TestTwoSide) {
|
||||
SETUP_STENCIL(facing);
|
||||
UNFILLED_TRI( ctx, GL_LINE, e0, e1, e2 );
|
||||
UNSET_STENCIL(facing);
|
||||
} else {
|
||||
UNFILLED_TRI( ctx, GL_LINE, e0, e1, e2 );
|
||||
}
|
||||
} else {
|
||||
if (DO_OFFSET && ctx->Polygon.OffsetFill) {
|
||||
VERT_Z_ADD(v[0], offset);
|
||||
VERT_Z_ADD(v[1], offset);
|
||||
VERT_Z_ADD(v[2], offset);
|
||||
}
|
||||
if (DO_UNFILLED) {
|
||||
RASTERIZE( GL_TRIANGLES );
|
||||
}
|
||||
if (DO_TWOSTENCIL && !HAVE_STENCIL_TWOSIDE && ctx->Stencil.TestTwoSide) {
|
||||
SETUP_STENCIL(facing);
|
||||
TRI( v[0], v[1], v[2] );
|
||||
UNSET_STENCIL(facing);
|
||||
} else {
|
||||
TRI( v[0], v[1], v[2] );
|
||||
}
|
||||
}
|
||||
|
||||
if (DO_OFFSET)
|
||||
{
|
||||
VERT_SET_Z(v[0], z[0]);
|
||||
VERT_SET_Z(v[1], z[1]);
|
||||
VERT_SET_Z(v[2], z[2]);
|
||||
}
|
||||
|
||||
if (DO_TWOSIDE && facing == 1) {
|
||||
if (!DO_FLAT) {
|
||||
VERT_RESTORE_RGBA( 0 );
|
||||
VERT_RESTORE_RGBA( 1 );
|
||||
}
|
||||
VERT_RESTORE_RGBA( 2 );
|
||||
if (HAVE_SPEC) {
|
||||
if (!DO_FLAT) {
|
||||
VERT_RESTORE_SPEC( 0 );
|
||||
VERT_RESTORE_SPEC( 1 );
|
||||
}
|
||||
VERT_RESTORE_SPEC( 2 );
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (DO_FLAT) {
|
||||
VERT_RESTORE_RGBA( 0 );
|
||||
VERT_RESTORE_RGBA( 1 );
|
||||
if (HAVE_SPEC && VB->AttribPtr[_TNL_ATTRIB_COLOR1]) {
|
||||
VERT_RESTORE_SPEC( 0 );
|
||||
VERT_RESTORE_SPEC( 1 );
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#if DO_QUAD
|
||||
#if DO_FULL_QUAD
|
||||
static void TAG(quadr)( struct gl_context *ctx,
|
||||
GLuint e0, GLuint e1, GLuint e2, GLuint e3 )
|
||||
{
|
||||
struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
|
||||
VERTEX *v[4];
|
||||
GLfloat offset = 0;
|
||||
GLfloat z[4] = { 0 };
|
||||
GLenum mode = GL_FILL;
|
||||
GLuint facing = 0;
|
||||
LOCAL_VARS(4);
|
||||
|
||||
v[0] = (VERTEX *)GET_VERTEX(e0);
|
||||
v[1] = (VERTEX *)GET_VERTEX(e1);
|
||||
v[2] = (VERTEX *)GET_VERTEX(e2);
|
||||
v[3] = (VERTEX *)GET_VERTEX(e3);
|
||||
|
||||
if (DO_TWOSIDE || DO_OFFSET || DO_UNFILLED || DO_TWOSTENCIL)
|
||||
{
|
||||
GLfloat ex = VERT_X(v[2]) - VERT_X(v[0]);
|
||||
GLfloat ey = VERT_Y(v[2]) - VERT_Y(v[0]);
|
||||
GLfloat fx = VERT_X(v[3]) - VERT_X(v[1]);
|
||||
GLfloat fy = VERT_Y(v[3]) - VERT_Y(v[1]);
|
||||
GLfloat cc = ex*fy - ey*fx;
|
||||
|
||||
if (DO_TWOSIDE || DO_UNFILLED || DO_TWOSTENCIL)
|
||||
{
|
||||
facing = AREA_IS_CCW( cc ) ^ _mesa_polygon_get_front_bit(ctx);
|
||||
|
||||
if (DO_UNFILLED) {
|
||||
if (facing) {
|
||||
mode = ctx->Polygon.BackMode;
|
||||
if (ctx->Polygon.CullFlag &&
|
||||
ctx->Polygon.CullFaceMode != GL_FRONT) {
|
||||
return;
|
||||
}
|
||||
} else {
|
||||
mode = ctx->Polygon.FrontMode;
|
||||
if (ctx->Polygon.CullFlag &&
|
||||
ctx->Polygon.CullFaceMode != GL_BACK) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (DO_TWOSIDE && facing == 1) {
|
||||
GLfloat (*vbcolor)[4] = VB->BackfaceColorPtr->data;
|
||||
(void)vbcolor;
|
||||
|
||||
if (HAVE_BACK_COLORS) {
|
||||
if (!DO_FLAT) {
|
||||
VERT_SAVE_RGBA( 0 );
|
||||
VERT_SAVE_RGBA( 1 );
|
||||
VERT_SAVE_RGBA( 2 );
|
||||
VERT_COPY_RGBA1( v[0] );
|
||||
VERT_COPY_RGBA1( v[1] );
|
||||
VERT_COPY_RGBA1( v[2] );
|
||||
}
|
||||
VERT_SAVE_RGBA( 3 );
|
||||
VERT_COPY_RGBA1( v[3] );
|
||||
if (HAVE_SPEC) {
|
||||
if (!DO_FLAT) {
|
||||
VERT_SAVE_SPEC( 0 );
|
||||
VERT_SAVE_SPEC( 1 );
|
||||
VERT_SAVE_SPEC( 2 );
|
||||
VERT_COPY_SPEC1( v[0] );
|
||||
VERT_COPY_SPEC1( v[1] );
|
||||
VERT_COPY_SPEC1( v[2] );
|
||||
}
|
||||
VERT_SAVE_SPEC( 3 );
|
||||
VERT_COPY_SPEC1( v[3] );
|
||||
}
|
||||
}
|
||||
else {
|
||||
if (!DO_FLAT) {
|
||||
VERT_SAVE_RGBA( 0 );
|
||||
VERT_SAVE_RGBA( 1 );
|
||||
VERT_SAVE_RGBA( 2 );
|
||||
}
|
||||
VERT_SAVE_RGBA( 3 );
|
||||
|
||||
if (VB->BackfaceColorPtr->stride) {
|
||||
if (!DO_FLAT) {
|
||||
VERT_SET_RGBA( v[0], vbcolor[e0] );
|
||||
VERT_SET_RGBA( v[1], vbcolor[e1] );
|
||||
VERT_SET_RGBA( v[2], vbcolor[e2] );
|
||||
}
|
||||
VERT_SET_RGBA( v[3], vbcolor[e3] );
|
||||
}
|
||||
else {
|
||||
if (!DO_FLAT) {
|
||||
VERT_SET_RGBA( v[0], vbcolor[0] );
|
||||
VERT_SET_RGBA( v[1], vbcolor[0] );
|
||||
VERT_SET_RGBA( v[2], vbcolor[0] );
|
||||
}
|
||||
VERT_SET_RGBA( v[3], vbcolor[0] );
|
||||
}
|
||||
|
||||
if (HAVE_SPEC && VB->BackfaceSecondaryColorPtr) {
|
||||
GLfloat (*vbspec)[4] = VB->BackfaceSecondaryColorPtr->data;
|
||||
assert(VB->BackfaceSecondaryColorPtr->stride==4*sizeof(GLfloat));
|
||||
|
||||
if (!DO_FLAT) {
|
||||
VERT_SAVE_SPEC( 0 );
|
||||
VERT_SAVE_SPEC( 1 );
|
||||
VERT_SAVE_SPEC( 2 );
|
||||
VERT_SET_SPEC( v[0], vbspec[e0] );
|
||||
VERT_SET_SPEC( v[1], vbspec[e1] );
|
||||
VERT_SET_SPEC( v[2], vbspec[e2] );
|
||||
}
|
||||
VERT_SAVE_SPEC( 3 );
|
||||
VERT_SET_SPEC( v[3], vbspec[e3] );
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (DO_OFFSET)
|
||||
{
|
||||
offset = ctx->Polygon.OffsetUnits * DEPTH_SCALE;
|
||||
z[0] = VERT_Z(v[0]);
|
||||
z[1] = VERT_Z(v[1]);
|
||||
z[2] = VERT_Z(v[2]);
|
||||
z[3] = VERT_Z(v[3]);
|
||||
if (cc * cc > 1e-16) {
|
||||
GLfloat ez = z[2] - z[0];
|
||||
GLfloat fz = z[3] - z[1];
|
||||
GLfloat a = ey*fz - ez*fy;
|
||||
GLfloat b = ez*fx - ex*fz;
|
||||
GLfloat ic = 1.0 / cc;
|
||||
GLfloat ac = a * ic;
|
||||
GLfloat bc = b * ic;
|
||||
if ( ac < 0.0f ) ac = -ac;
|
||||
if ( bc < 0.0f ) bc = -bc;
|
||||
offset += MAX2( ac, bc ) * ctx->Polygon.OffsetFactor / ctx->DrawBuffer->_MRD;
|
||||
}
|
||||
offset *= ctx->DrawBuffer->_MRD * (REVERSE_DEPTH ? -1.0 : 1.0);
|
||||
}
|
||||
}
|
||||
|
||||
if (DO_FLAT) {
|
||||
VERT_SAVE_RGBA( 0 );
|
||||
VERT_SAVE_RGBA( 1 );
|
||||
VERT_SAVE_RGBA( 2 );
|
||||
VERT_COPY_RGBA( v[0], v[3] );
|
||||
VERT_COPY_RGBA( v[1], v[3] );
|
||||
VERT_COPY_RGBA( v[2], v[3] );
|
||||
if (HAVE_SPEC && VB->AttribPtr[_TNL_ATTRIB_COLOR1]) {
|
||||
VERT_SAVE_SPEC( 0 );
|
||||
VERT_SAVE_SPEC( 1 );
|
||||
VERT_SAVE_SPEC( 2 );
|
||||
VERT_COPY_SPEC( v[0], v[3] );
|
||||
VERT_COPY_SPEC( v[1], v[3] );
|
||||
VERT_COPY_SPEC( v[2], v[3] );
|
||||
}
|
||||
}
|
||||
|
||||
if (mode == GL_POINT) {
|
||||
if (( DO_OFFSET) && ctx->Polygon.OffsetPoint) {
|
||||
VERT_Z_ADD(v[0], offset);
|
||||
VERT_Z_ADD(v[1], offset);
|
||||
VERT_Z_ADD(v[2], offset);
|
||||
VERT_Z_ADD(v[3], offset);
|
||||
}
|
||||
if (DO_TWOSTENCIL && !HAVE_STENCIL_TWOSIDE && ctx->Stencil.TestTwoSide) {
|
||||
SETUP_STENCIL(facing);
|
||||
UNFILLED_QUAD( ctx, GL_POINT, e0, e1, e2, e3 );
|
||||
UNSET_STENCIL(facing);
|
||||
} else {
|
||||
UNFILLED_QUAD( ctx, GL_POINT, e0, e1, e2, e3 );
|
||||
}
|
||||
} else if (mode == GL_LINE) {
|
||||
if (DO_OFFSET && ctx->Polygon.OffsetLine) {
|
||||
VERT_Z_ADD(v[0], offset);
|
||||
VERT_Z_ADD(v[1], offset);
|
||||
VERT_Z_ADD(v[2], offset);
|
||||
VERT_Z_ADD(v[3], offset);
|
||||
}
|
||||
if (DO_TWOSTENCIL && !HAVE_STENCIL_TWOSIDE && ctx->Stencil.TestTwoSide) {
|
||||
SETUP_STENCIL(facing);
|
||||
UNFILLED_QUAD( ctx, GL_LINE, e0, e1, e2, e3 );
|
||||
UNSET_STENCIL(facing);
|
||||
} else {
|
||||
UNFILLED_QUAD( ctx, GL_LINE, e0, e1, e2, e3 );
|
||||
}
|
||||
} else {
|
||||
if (DO_OFFSET && ctx->Polygon.OffsetFill) {
|
||||
VERT_Z_ADD(v[0], offset);
|
||||
VERT_Z_ADD(v[1], offset);
|
||||
VERT_Z_ADD(v[2], offset);
|
||||
VERT_Z_ADD(v[3], offset);
|
||||
}
|
||||
RASTERIZE( GL_QUADS );
|
||||
if (DO_TWOSTENCIL && !HAVE_STENCIL_TWOSIDE && ctx->Stencil.TestTwoSide) {
|
||||
SETUP_STENCIL(facing);
|
||||
QUAD( (v[0]), (v[1]), (v[2]), (v[3]) );
|
||||
UNSET_STENCIL(facing);
|
||||
} else {
|
||||
QUAD( (v[0]), (v[1]), (v[2]), (v[3]) );
|
||||
}
|
||||
}
|
||||
|
||||
if (DO_OFFSET)
|
||||
{
|
||||
VERT_SET_Z(v[0], z[0]);
|
||||
VERT_SET_Z(v[1], z[1]);
|
||||
VERT_SET_Z(v[2], z[2]);
|
||||
VERT_SET_Z(v[3], z[3]);
|
||||
}
|
||||
|
||||
if (DO_TWOSIDE && facing == 1) {
|
||||
if (!DO_FLAT) {
|
||||
VERT_RESTORE_RGBA( 0 );
|
||||
VERT_RESTORE_RGBA( 1 );
|
||||
VERT_RESTORE_RGBA( 2 );
|
||||
}
|
||||
VERT_RESTORE_RGBA( 3 );
|
||||
if (HAVE_SPEC) {
|
||||
if (!DO_FLAT) {
|
||||
VERT_RESTORE_SPEC( 0 );
|
||||
VERT_RESTORE_SPEC( 1 );
|
||||
VERT_RESTORE_SPEC( 2 );
|
||||
}
|
||||
VERT_RESTORE_SPEC( 3 );
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (DO_FLAT) {
|
||||
VERT_RESTORE_RGBA( 0 );
|
||||
VERT_RESTORE_RGBA( 1 );
|
||||
VERT_RESTORE_RGBA( 2 );
|
||||
if (HAVE_SPEC && VB->AttribPtr[_TNL_ATTRIB_COLOR1]) {
|
||||
VERT_RESTORE_SPEC( 0 );
|
||||
VERT_RESTORE_SPEC( 1 );
|
||||
VERT_RESTORE_SPEC( 2 );
|
||||
}
|
||||
}
|
||||
}
|
||||
#else
|
||||
static void TAG(quadr)( struct gl_context *ctx, GLuint e0,
|
||||
GLuint e1, GLuint e2, GLuint e3 )
|
||||
{
|
||||
if (DO_UNFILLED) {
|
||||
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
|
||||
GLubyte ef1 = VB->EdgeFlag[e1];
|
||||
GLubyte ef3 = VB->EdgeFlag[e3];
|
||||
VB->EdgeFlag[e1] = 0;
|
||||
TAG(triangle)( ctx, e0, e1, e3 );
|
||||
VB->EdgeFlag[e1] = ef1;
|
||||
VB->EdgeFlag[e3] = 0;
|
||||
TAG(triangle)( ctx, e1, e2, e3 );
|
||||
VB->EdgeFlag[e3] = ef3;
|
||||
} else {
|
||||
TAG(triangle)( ctx, e0, e1, e3 );
|
||||
TAG(triangle)( ctx, e1, e2, e3 );
|
||||
}
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if DO_LINE
|
||||
static void TAG(line)( struct gl_context *ctx, GLuint e0, GLuint e1 )
|
||||
{
|
||||
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
|
||||
VERTEX *v[2];
|
||||
LOCAL_VARS(2);
|
||||
|
||||
v[0] = (VERTEX *)GET_VERTEX(e0);
|
||||
v[1] = (VERTEX *)GET_VERTEX(e1);
|
||||
|
||||
if (DO_FLAT) {
|
||||
VERT_SAVE_RGBA( 0 );
|
||||
VERT_COPY_RGBA( v[0], v[1] );
|
||||
if (HAVE_SPEC && VB->AttribPtr[_TNL_ATTRIB_COLOR1]) {
|
||||
VERT_SAVE_SPEC( 0 );
|
||||
VERT_COPY_SPEC( v[0], v[1] );
|
||||
}
|
||||
}
|
||||
|
||||
LINE( v[0], v[1] );
|
||||
|
||||
if (DO_FLAT) {
|
||||
VERT_RESTORE_RGBA( 0 );
|
||||
|
||||
if (HAVE_SPEC && VB->AttribPtr[_TNL_ATTRIB_COLOR1]) {
|
||||
VERT_RESTORE_SPEC( 0 );
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#if DO_POINTS
|
||||
static void TAG(points)( struct gl_context *ctx, GLuint first, GLuint last )
|
||||
{
|
||||
struct vertex_buffer *VB = &TNL_CONTEXT( ctx )->vb;
|
||||
GLuint i;
|
||||
LOCAL_VARS(1);
|
||||
|
||||
if (VB->Elts == 0) {
|
||||
for ( i = first ; i < last ; i++ ) {
|
||||
if ( VB->ClipMask[i] == 0 ) {
|
||||
VERTEX *v = (VERTEX *)GET_VERTEX(i);
|
||||
POINT( v );
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for ( i = first ; i < last ; i++ ) {
|
||||
GLuint e = VB->Elts[i];
|
||||
if ( VB->ClipMask[e] == 0 ) {
|
||||
VERTEX *v = (VERTEX *)GET_VERTEX(e);
|
||||
POINT( v );
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
static void TAG(init)( void )
|
||||
{
|
||||
#if DO_QUAD
|
||||
TAB[IND].quad = TAG(quadr);
|
||||
#endif
|
||||
#if DO_TRI
|
||||
TAB[IND].triangle = TAG(triangle);
|
||||
#endif
|
||||
#if DO_LINE
|
||||
TAB[IND].line = TAG(line);
|
||||
#endif
|
||||
#if DO_POINTS
|
||||
TAB[IND].points = TAG(points);
|
||||
#endif
|
||||
}
|
||||
|
||||
#undef IND
|
||||
#undef TAG
|
||||
|
||||
#if HAVE_BACK_COLORS
|
||||
#undef VERT_SET_RGBA
|
||||
#endif
|
||||
|
||||
#if !HAVE_SPEC
|
||||
#undef VERT_SET_SPEC
|
||||
#undef VERT_COPY_SPEC
|
||||
#undef VERT_SAVE_SPEC
|
||||
#undef VERT_RESTORE_SPEC
|
||||
#if HAVE_BACK_COLORS
|
||||
#undef VERT_COPY_SPEC1
|
||||
#endif
|
||||
#else
|
||||
#if HAVE_BACK_COLORS
|
||||
#undef VERT_SET_SPEC
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if !HAVE_BACK_COLORS
|
||||
#undef VERT_COPY_SPEC1
|
||||
#undef VERT_COPY_RGBA1
|
||||
#endif
|
||||
|
||||
#ifndef INSANE_VERTICES
|
||||
#undef VERT_SET_Z
|
||||
#undef VERT_Z_ADD
|
||||
#endif
|
||||
|
|
@ -1,170 +0,0 @@
|
|||
/*
|
||||
* Mesa 3-D graphics library
|
||||
*
|
||||
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation
|
||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
||||
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
||||
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
||||
* OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
* Authors:
|
||||
* Keith Whitwell <keithw@vmware.com>
|
||||
*/
|
||||
|
||||
#if !HAVE_SPEC
|
||||
#define VERT_SET_SPEC( v, c )
|
||||
#define VERT_COPY_SPEC( v0, v1 )
|
||||
#define VERT_SAVE_SPEC( idx )
|
||||
#define VERT_RESTORE_SPEC( idx )
|
||||
#endif
|
||||
|
||||
static void TAG(unfilled_tri)( struct gl_context *ctx,
|
||||
GLenum mode,
|
||||
GLuint e0, GLuint e1, GLuint e2 )
|
||||
{
|
||||
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
|
||||
GLubyte *ef = VB->EdgeFlag;
|
||||
VERTEX *v[3];
|
||||
LOCAL_VARS(3);
|
||||
|
||||
v[0] = (VERTEX *)GET_VERTEX(e0);
|
||||
v[1] = (VERTEX *)GET_VERTEX(e1);
|
||||
v[2] = (VERTEX *)GET_VERTEX(e2);
|
||||
|
||||
if (ctx->Light.ShadeModel == GL_FLAT && HAVE_HW_FLATSHADE) {
|
||||
VERT_SAVE_RGBA(0);
|
||||
VERT_SAVE_RGBA(1);
|
||||
VERT_COPY_RGBA(v[0], v[2]);
|
||||
VERT_COPY_RGBA(v[1], v[2]);
|
||||
|
||||
if (HAVE_SPEC) {
|
||||
VERT_SAVE_SPEC(0);
|
||||
VERT_SAVE_SPEC(1);
|
||||
VERT_COPY_SPEC(v[0], v[2]);
|
||||
VERT_COPY_SPEC(v[1], v[2]);
|
||||
}
|
||||
}
|
||||
|
||||
/* fprintf(stderr, "%s %s %d %d %d\n", __func__, */
|
||||
/* _mesa_enum_to_string( mode ), */
|
||||
/* ef[e0], ef[e1], ef[e2]); */
|
||||
|
||||
if (mode == GL_POINT) {
|
||||
RASTERIZE(GL_POINTS);
|
||||
if (ef[e0]) POINT( v[0] );
|
||||
if (ef[e1]) POINT( v[1] );
|
||||
if (ef[e2]) POINT( v[2] );
|
||||
}
|
||||
else {
|
||||
RASTERIZE(GL_LINES);
|
||||
if (RENDER_PRIMITIVE == GL_POLYGON) {
|
||||
if (ef[e2]) LINE( v[2], v[0] );
|
||||
if (ef[e0]) LINE( v[0], v[1] );
|
||||
if (ef[e1]) LINE( v[1], v[2] );
|
||||
}
|
||||
else {
|
||||
if (ef[e0]) LINE( v[0], v[1] );
|
||||
if (ef[e1]) LINE( v[1], v[2] );
|
||||
if (ef[e2]) LINE( v[2], v[0] );
|
||||
}
|
||||
}
|
||||
|
||||
if (ctx->Light.ShadeModel == GL_FLAT && HAVE_HW_FLATSHADE) {
|
||||
VERT_RESTORE_RGBA(0);
|
||||
VERT_RESTORE_RGBA(1);
|
||||
|
||||
if (HAVE_SPEC) {
|
||||
VERT_RESTORE_SPEC(0);
|
||||
VERT_RESTORE_SPEC(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void TAG(unfilled_quad)( struct gl_context *ctx,
|
||||
GLenum mode,
|
||||
GLuint e0, GLuint e1,
|
||||
GLuint e2, GLuint e3 )
|
||||
{
|
||||
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
|
||||
GLubyte *ef = VB->EdgeFlag;
|
||||
VERTEX *v[4];
|
||||
LOCAL_VARS(4);
|
||||
|
||||
v[0] = (VERTEX *)GET_VERTEX(e0);
|
||||
v[1] = (VERTEX *)GET_VERTEX(e1);
|
||||
v[2] = (VERTEX *)GET_VERTEX(e2);
|
||||
v[3] = (VERTEX *)GET_VERTEX(e3);
|
||||
|
||||
/* Hardware flatshading breaks down here. If the hardware doesn't
|
||||
* support flatshading, this will already have been done:
|
||||
*/
|
||||
if (ctx->Light.ShadeModel == GL_FLAT && HAVE_HW_FLATSHADE) {
|
||||
VERT_SAVE_RGBA(0);
|
||||
VERT_SAVE_RGBA(1);
|
||||
VERT_SAVE_RGBA(2);
|
||||
VERT_COPY_RGBA(v[0], v[3]);
|
||||
VERT_COPY_RGBA(v[1], v[3]);
|
||||
VERT_COPY_RGBA(v[2], v[3]);
|
||||
|
||||
if (HAVE_SPEC) {
|
||||
VERT_SAVE_SPEC(0);
|
||||
VERT_SAVE_SPEC(1);
|
||||
VERT_SAVE_SPEC(2);
|
||||
VERT_COPY_SPEC(v[0], v[3]);
|
||||
VERT_COPY_SPEC(v[1], v[3]);
|
||||
VERT_COPY_SPEC(v[2], v[3]);
|
||||
}
|
||||
}
|
||||
|
||||
if (mode == GL_POINT) {
|
||||
RASTERIZE(GL_POINTS);
|
||||
if (ef[e0]) POINT( v[0] );
|
||||
if (ef[e1]) POINT( v[1] );
|
||||
if (ef[e2]) POINT( v[2] );
|
||||
if (ef[e3]) POINT( v[3] );
|
||||
}
|
||||
else {
|
||||
RASTERIZE(GL_LINES);
|
||||
if (ef[e0]) LINE( v[0], v[1] );
|
||||
if (ef[e1]) LINE( v[1], v[2] );
|
||||
if (ef[e2]) LINE( v[2], v[3] );
|
||||
if (ef[e3]) LINE( v[3], v[0] );
|
||||
}
|
||||
|
||||
if (ctx->Light.ShadeModel == GL_FLAT && HAVE_HW_FLATSHADE) {
|
||||
VERT_RESTORE_RGBA(0);
|
||||
VERT_RESTORE_RGBA(1);
|
||||
VERT_RESTORE_RGBA(2);
|
||||
|
||||
if (HAVE_SPEC) {
|
||||
VERT_RESTORE_SPEC(0);
|
||||
VERT_RESTORE_SPEC(1);
|
||||
VERT_RESTORE_SPEC(2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#if !HAVE_SPEC
|
||||
#undef VERT_SET_SPEC
|
||||
#undef VERT_COPY_SPEC
|
||||
#undef VERT_SAVE_SPEC
|
||||
#undef VERT_RESTORE_SPEC
|
||||
#endif
|
||||
|
||||
#undef TAG
|
||||
|
|
@ -1,78 +0,0 @@
|
|||
|
||||
/*
|
||||
* Mesa 3-D graphics library
|
||||
*
|
||||
* Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||
* copy of this software and associated documentation files (the "Software"),
|
||||
* to deal in the Software without restriction, including without limitation
|
||||
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
* and/or sell copies of the Software, and to permit persons to whom the
|
||||
* Software is furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included
|
||||
* in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
||||
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
||||
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
||||
* OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
* Authors:
|
||||
* Keith Whitwell <keithw@vmware.com>
|
||||
*/
|
||||
|
||||
typedef struct {
|
||||
GLfloat x, y, z, w;
|
||||
} TAG(_coord_t);
|
||||
|
||||
#ifdef COLOR_IS_RGBA
|
||||
typedef struct {
|
||||
#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
|
||||
GLubyte alpha, blue, green, red;
|
||||
#else
|
||||
GLubyte red, green, blue, alpha;
|
||||
#endif
|
||||
} TAG(_color_t);
|
||||
#else
|
||||
typedef struct {
|
||||
#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
|
||||
GLubyte alpha, red, green, blue;
|
||||
#else
|
||||
GLubyte blue, green, red, alpha;
|
||||
#endif
|
||||
} TAG(_color_t);
|
||||
#endif
|
||||
|
||||
typedef union {
|
||||
struct {
|
||||
GLfloat x, y, z, w;
|
||||
TAG(_color_t) color;
|
||||
TAG(_color_t) specular;
|
||||
GLfloat u0, v0;
|
||||
GLfloat u1, v1;
|
||||
GLfloat u2, v2;
|
||||
GLfloat u3, v3;
|
||||
} v;
|
||||
struct {
|
||||
GLfloat x, y, z, w;
|
||||
TAG(_color_t) color;
|
||||
TAG(_color_t) specular;
|
||||
GLfloat u0, v0, q0;
|
||||
GLfloat u1, v1, q1;
|
||||
GLfloat u2, v2, q2;
|
||||
GLfloat u3, v3, q3;
|
||||
} pv;
|
||||
struct {
|
||||
GLfloat x, y, z;
|
||||
TAG(_color_t) color;
|
||||
} tv;
|
||||
GLfloat f[24];
|
||||
GLuint ui[24];
|
||||
GLubyte ub4[24][4];
|
||||
} TAG(Vertex), *TAG(VertexPtr);
|
||||
|
||||
Loading…
Reference in New Issue